diff options
Diffstat (limited to 'sys/vm/vm_reserv.c')
| -rw-r--r-- | sys/vm/vm_reserv.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/vm/vm_reserv.c b/sys/vm/vm_reserv.c index 34e69e1..8f34b31 100644 --- a/sys/vm/vm_reserv.c +++ b/sys/vm/vm_reserv.c @@ -971,7 +971,7 @@ vm_reserv_reclaim_contig(u_long npages, vm_paddr_t low, vm_paddr_t high, { vm_paddr_t pa, size; vm_reserv_t rv; - int hi, i, lo, next_free; + int hi, i, lo, low_index, next_free; mtx_assert(&vm_page_queue_free_mtx, MA_OWNED); if (npages > VM_LEVEL_0_NPAGES - 1) @@ -990,8 +990,9 @@ vm_reserv_reclaim_contig(u_long npages, vm_paddr_t low, vm_paddr_t high, } if (pa < low) { /* Start the search for free pages at "low". */ - i = (low - pa) / NBPOPMAP; - hi = (low - pa) % NBPOPMAP; + low_index = (low + PAGE_MASK - pa) >> PAGE_SHIFT; + i = low_index / NBPOPMAP; + hi = low_index % NBPOPMAP; } else i = hi = 0; do { |
